Buffer overflow in the asmrp_eval function in the RealMedia RTSP stream handler (asmrp.c) for Real Media input plugin, as used in (1) xine/xine-lib, (2) MPlayer 1.0rc1 and earlier, and possibly others, allows remote attackers to cause a denial of service and possibly execute arbitrary code via a rulebook with a large number of rulematches.
http://www.vupen.com/english/advisories/2006/4824
http://www.ubuntu.com/usn/usn-392-1
http://www.securityfocus.com/bid/21435
http://www.novell.com/linux/security/advisories/2006_28_sr.html
http://www.mplayerhq.hu/design7/news.html#vuln14
http://www.mplayerhq.hu/MPlayer/patches/asmrules_fix_20061231.diff
http://www.mandriva.com/security/advisories?name=MDKSA-2007:112
http://www.mandriva.com/security/advisories?name=MDKSA-2006:224
http://www.debian.org/security/2006/dsa-1244
http://sourceforge.net/project/shownotes.php?release_id=468432
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.433842
http://security.gentoo.org/glsa/glsa-200702-11.xml
http://security.gentoo.org/glsa/glsa-200612-02.xml
http://secunia.com/advisories/25555
http://secunia.com/advisories/24339
http://secunia.com/advisories/24336
http://secunia.com/advisories/23567
http://secunia.com/advisories/23512
http://secunia.com/advisories/23335
http://secunia.com/advisories/23301
http://secunia.com/advisories/23249